| Index: content/browser/frame_host/frame_tree.h | 
| diff --git a/content/browser/frame_host/frame_tree.h b/content/browser/frame_host/frame_tree.h | 
| index 7b94ed85439dd063b6857a3775c845252e42773b..b312265fe4e5003e53153ff1381d2724445c2251 100644 | 
| --- a/content/browser/frame_host/frame_tree.h | 
| +++ b/content/browser/frame_host/frame_tree.h | 
| @@ -136,6 +136,11 @@ class CONTENT_EXPORT FrameTree { | 
| typedef base::hash_map<int, RenderViewHostImpl*> RenderViewHostMap; | 
| typedef std::multimap<int, RenderViewHostImpl*> RenderViewHostMultiMap; | 
|  | 
| +  // A variation to the public ForEach method with a difference that the subtree | 
| +  // starting at |skip_this_subtree| will not be recursed into. | 
| +  void ForEach(const base::Callback<bool(FrameTreeNode*)>& on_node, | 
| +               FrameTreeNode* skip_this_subtree) const; | 
| + | 
| // These delegates are installed into all the RenderViewHosts and | 
| // RenderFrameHosts that we create. | 
| RenderFrameHostDelegate* render_frame_delegate_; | 
|  |